$159 Cheap United flights San Francisco (SFO) to San Diego (SAN)

View $159 flight on Mon, Jan 12, 2026Opens in a new window

$159 Cheap United flights San Francisco (SFO) to San Diego (SAN)

Prices were available within the past 7 days and start at $159 for one-way flights and $187 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Jan 12 - Fri, Jan 16
SFO
San Francisco
SAN
San Diego
$187 Roundtrip, found 6 days ago
$187
Roundtrip
found 6 days ago
Select United flight, departing Mon, Jan 12 from San Francisco to San Diego, returning Fri, Jan 16, priced at $187 found 6 days ago
United
Mon, Jan 12 - Fri, Jan 16
SFO
San Francisco
SAN
San Diego
$193 Roundtrip, found 6 days ago
$193
Roundtrip
found 6 days ago
Select United flight, departing Mon, Jan 12 from San Francisco to San Diego, returning Fri, Jan 16, priced at $193 found 6 days ago
United
Mon, Jan 12 - Fri, Jan 16
SFO
San Francisco
SAN
San Diego
$197 Roundtrip, found 6 days ago
$197
Roundtrip
found 6 days ago
Select United flight, departing Mon, Jan 12 from San Francisco to San Diego, returning Fri, Jan 16, priced at $197 found 6 days ago

Find the cheapest month to fly from San Francisco (SFO) to San Diego (SAN)

January is typically the cheapest month to fly

From $48 - $117 per traveler.

Alternative airports near San Diego

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Diego Intl. SAN. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $187
SAN
San Diego Intl.
CheapestClosest
Average driving time to city center5 min
Flights from $187

Travel information

Origin airport
San Francisco Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
714 km
Average flight time
1 hour 30 mins

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